diff --git a/oem/oem_nvr/RkLunch.sh b/oem/oem_nvr/RkLunch.sh
new file mode 100755
index 0000000..bb9a4c9
--- /dev/null
+++ b/oem/oem_nvr/RkLunch.sh
@@ -0,0 +1,3 @@
+#!/bin/sh
+#
+# start nvr app 
diff --git a/rk356x/BoardConfig-rk3568-nvr.mk b/rk356x/BoardConfig-rk3568-nvr.mk
index 65794aa..9e6aeca 100644
--- a/rk356x/BoardConfig-rk3568-nvr.mk
+++ b/rk356x/BoardConfig-rk3568-nvr.mk
@@ -19,11 +19,11 @@ export RK_KERNEL_IMG=kernel/arch/arm64/boot/Image
 # kernel image format type: fit(flattened image tree)
 export RK_KERNEL_FIT_ITS=boot.its
 # parameter for GPT table
-export RK_PARAMETER=parameter-buildroot-fit.txt
+export RK_PARAMETER=parameter-buildroot-NVR-128M.txt
 # Buildroot config
 export RK_CFG_BUILDROOT=rockchip_rk356x_nvr
 # Recovery config
-export RK_CFG_RECOVERY=rockchip_rk356x_recovery
+export RK_CFG_RECOVERY=rockchip_rk356x_nvr_recovery
 # Recovery image format type: fit(flattened image tree)
 export RK_RECOVERY_FIT_ITS=boot4recovery.its
 # ramboot config
@@ -35,7 +35,7 @@ export RK_JOBS=12
 # target chip
 export RK_TARGET_PRODUCT=rk356x
 # Set rootfs type, including ext2 ext4 squashfs
-export RK_ROOTFS_TYPE=ext4
+export RK_ROOTFS_TYPE=squashfs
 # yocto machine
 export RK_YOCTO_MACHINE=rockchip-rk3568-evb
 # rootfs image path
@@ -47,11 +47,11 @@ export RK_OEM_FS_TYPE=ext2
 # Set userdata partition type, including ext2, fat
 export RK_USERDATA_FS_TYPE=ext2
 #OEM config
-export RK_OEM_DIR=oem_normal
+export RK_OEM_DIR=oem_nvr
 # OEM build on buildroot
 #export RK_OEM_BUILDIN_BUILDROOT=YES
 #userdata config
-export RK_USERDATA_DIR=userdata_normal
+export RK_USERDATA_DIR=userdata_empty
 #misc image
 export RK_MISC=wipe_all-misc.img
 #choose enable distro module
diff --git a/rk356x/parameter-buildroot-NVR-128M.txt b/rk356x/parameter-buildroot-NVR-128M.txt
new file mode 100644
index 0000000..b513c49
--- /dev/null
+++ b/rk356x/parameter-buildroot-NVR-128M.txt
@@ -0,0 +1,12 @@
+FIRMWARE_VER: 1.0
+MACHINE_MODEL: RK3568
+MACHINE_ID: 007
+MANUFACTURER: RK3568
+MAGIC: 0x5041524B
+ATAG: 0x00200800
+MACHINE: 0xffffffff
+CHECK_MASK: 0x80
+PWR_HLD: 0,0,A,0,1
+TYPE: GPT
+CMDLINE: mtdparts=rk29xxnand:0x00002000@0x00004000(uboot),0x00000200@0x00006000(misc),0x0000C000@0x00006200(boot),0x0000E000@0x00012200(recovery),0x0000a000@0x00020200(rootfs),0x00003000@0x0002a200(oem),-@0x0002d200(userdata:grow)
+uuid:rootfs=614e0000-0000-4b53-8000-1d28000054a9